Biology

BiologyBRCC BIOL 121 FINAL SPRING 2015 1. E coli is a shortened name for a bacterium that lives in our gut. According to the rules of binomial
nomenclature it is properly written as _______________.
a. Escherichia COLI
b. Escherichia Coli
c. Escherichia coli
d. escherichia coli
e. escherichia coli
2. What does the term “biodiversity” refer to in the field of biology?
a. Total number of species on earth
b. Genetic variation that exists within populations all of the earth’s species
c. Total number of Earth’s ecosystems
d. All of the above are correct
3. Prokaryotic cells are classified in Domain(s) _______
a. Archaea
b. Bacteria
c. Eukarya
d. Archaea and Bacteria
e. Archaea, Bacteria and Eukarya
4.
4. The shape of this bacterium is __________ and the
attachment filaments radiating out are called_________
a. bacillus…………. flagella
b. coccus……………cilia
c. spirilla…………..pili
d. bacillus………… pili
e. vibrio…………….cilia
5. A certain bacterium can withstand heating, drying and toxic chemicals that would kill most other
bacteria. This indicates that it is probably able to form a __________
a. Pseudopodia
b. Conjugation tube
c. Endospore
d. Flagellum
e. Endotoxins
6. 6.What ecological role is played by
cyanobacteria ?
a. photosynthetic producers that make sugar and
pump oxygen into the atmosphere
b. decomposers of dead leaves and dead animals
c. chemosynthetic producers
d pathogens of plants and animals
e. predators of other bacteria 7. The term phytoplankton applies to photosynthetic, microscopic floating organisms such
as________
a. Protozoan ciliates and flagellates b.
c.
d.
e.
8. Aquatic plants
Dinoflagellates, diatoms and some unicellular or colonial green algae
Macroalgae and seaweeds
Fungus like protists such as slime molds Which of the following statements is false?
a. Most protists are aquatic.
b. Protists are eukaryotes.
c. Most protists are unicellular.
d. Protists have more complex cells than prokaryotes.
e. Photosynthetic protists are called protozoa. 9.
9. Which of the following structures is used by amoebas to move
and to eat?
a. microvilli
b. cilia
c. flagella
d. pseudopodia
e. tendrils
10.
Into what kingdom do we place multicellular
heterotrophic eukaryotes that acquire food by absorption from the environment and have cell
walls made of chitin?
a. Plantae
b. Animalia
c. Protista
d. Fungi
e. Proteobacteria
11.
11. (See image to the left) A fungus surrounding a root
absorbs food from the plant and in turn this fungus
provides water and minerals to the plant. This is a
_________ relationship?
a. parasitic
b. commensalistic
c. predatorial
d. mutualistic
e. competitive
12. (See image above). A fungus growing together with a plant root in a way that benefits both is
a(n)_______
a. Lichen
b. Epiphyte
c. Mycorrhizae
d. Hemiparasite
e. Halophyte
13. Which group shares the most recent common ancestor with land plants?
a. Fungi
b. Cyanobacteria
c. Brown algae
d. Green algae – charophytes
e. Filamentous Bacteria 14.
14. The part of the moss the arrow points to is the _____________ and it
produces spores by ____________
a. male gametophyte……..mitosis
b. female gametophyte…..meiosis
c. sporophyte………………..mitosis
d. sporophyte……………….meiosis .
15. Which of the following plant features is an adaptation for survival and reproduction on land?
a. Cuticle
b. Seed
c. Vascular tissue
d. Pollen grain
e. All of the above
16. The arrow is pointing to a __________ in the life cycle
of a fern?
a. sporophyte
b. female gametophyte
c. male gametophyte
d. zygote
16.
17. Which of the following identifies all vascular plants that produce seeds?
a. Mosses and ferns
b. Ferns and Gymnosperms
c. Gymnosperms and Angiosperms
d. Only mosses
e. Only Angiosperms 18. (see image below) 18. The structure is called a(n) ______ and it belongs
to the _____ part of the flower.
a. stigma………………………female
b. anther…………………….. male
c. anther……………………..female
d. stigma……………………..male
e. pollen tube…………….male 19. ( see diagram to right) Sperm nuclei are located in
pollen produced at ________ and the egg is located
within the _________
a. C ……………..B
b. A………………C
c. A……………..D
d. D……………..A
e. B……………..D C
A B 19. D
E 20. The wood of trees is actually layers of _______________
a. Vascular cambium
b. Cork cambium
c. Secondary phloem
d. Secondary xylem
e. Cork
21. Corn kernels, peppers, tomatoes and cucumbers all contain seeds and are derived from the
ovary of a flowering plant; therefore in botanical terms, they are____________
a. Fruits
b. Modified Stems
c. Modified leaves
d. Sepals
e. None of the above
22. Which of the following statements do not apply to all animals?
a. Animals are multicellular
b. Animals are heterotrophic
c. Animals are multicellular
d. Animals have tissues and organs
e. Animals are eukaryotes
23. A marine biologist finds a small animal at the bottom of the ocean that is uniformly segmented
with short stiff bristles and soft skin. It has a complete digestive system and a circulatory system
but no exoskeleton. Based on this description, this animal sounds like it is a(n)___________
a. Flatworm
b. Nematode c. Eel
d. Annelid
e. Squid
24. Examine this diagram of a planarian. It is a(n)____________
a. acoelomate
b. pseudocoelomate
c. coelomate 24.
25. (See the arrow pointing to the outer layer of cells in the planarian) What is this germ layer called?
a. Endoderm
b. Mesoderm
c. Ectoderm
d. Placoderm
e. Pachyderm
26. Which reptilian adaptation enables reptiles to reproduce on land?
a. Lungs
b. Endothermic metabolism
c. An amniotic egg
d. Four legs
e. Three chambered heart
27. (See image below)
27. This invertebrate lancelet belongs in Phylum
________ based on its key characteristics.
a. Vertebrata
b. Agnatha
c. Chondrichthyes
d. Chordata
e. Mollusca 28. (See evolutionary tree below) 28. Based on this evolutionary tree,
Which primates are the most primitive?
a. Lemurs , lorises, and pottos
b. Old world monkeys
c. Apes
d. New world monkeys
e. tarsiers 29. Which unique feature distinguishes the members of the lineage that gave rise to humans from
other hominids including gorillas, chimpanzees and orangutans?
a. Grasping hand
b. Large snout nose
c. Binocular vision
d. Bipedal locomotion
e. Knuckle walking
30. The “Out of Africa” hypothesis proposes that the first modern humans evolved
____________________
a. in multiple regions of the world outside of Africa
b. in Africa and migrated to Asia and Europe
c. outside of Africa and migrated into Africa
31. What group(s) of mammals has embryos that develop completely within the uterus while being
nourished.by the mother?
a. Placental
b. Marsupial
c. Monotreme
d. Both marsupial and Placental
e. Both monotremes and marsupial 32. Which is an incorrect match of muscle tissue type with the organ? a. Cardiac muscle…………………….. heart
b. Smooth muscle …………………… stomach
c. Cardiac muscle……………………. Arteries
d. Smooth muscle…………………….. small intestines
e. Skeletal muscles…………………… muscles attached to bones
33. What is an example of homeostasis?
a. Skin is composed of all four tissue types.
b. When sugar levels rise in the blood, the pancreas releases insulin to bring down the sugar
levels.
c. DNA is found in the nucleus of all eukaryotic cells
d. When you exercise, your body temperature rises
e. Hair grows at a constant rate.
34. (See heart below) 34. What is the name of the chamber labeled Q?
a. right atrium
b. right ventricle
c. left atrium
d. left ventricle Q 35. Where does this chamber Q pump blood next?
a. pulmonary artery
b. left atrium
c. aorta
d. pulmonary veins 35. (See heart above)

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